<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>join</title>
</head>
<body>
{#    {{ value|join:"~" }}#}
{#    {{ value|length }}#}
{#{{ value|upper}}#}
{#{{ value|lower}}#}
{#{{ value|random}}#}
{#{% autoescape on%}#}
{#    {{ value }}#}
{#{% endautoescape %}#}

{#{{ value | safe }}#}
{#{{ value | slice:"2:" }}#}
{#{{ value | striptags }}#}
{{ value | truncatechars:"5" }}
{{ value | truncatechars_html:"4" }}
</body>
</html>